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GHSA-m2v6-2jmh-4c68
github.com/envoyproxy/gatewaygithub.com/envoyproxy/gatewayVulnerability report without repro case. Repro case may be added later after harness is complete.
Preconditions (4):
- Tenant has SecurityPolicy + TCPRoute RBAC (baseline)
- Tenant namespace permitted to attach TCPRoute to a Gateway listener
- spec.authorization omitted (the trigger)
- No admission webhook blocks the shape
Description:
A namespace-scoped tenant can deterministically panic the gatewayapi runner on every reconcile with a single CRD; the recover() in message/watchutil.go:53 keeps the process alive but unwinds the entire handle() callback in runner/runner.go:192, so xDS/Infra IR publishing stalls controller-wide until an admin deletes the object. Data plane keeps serving last-good config.
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The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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